{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152601",
    "entityType": "User",
    "nonce": "0x69173ed5b92a8dda6f880f9cc724dba588458c3d07fb00a9ae8cfbbf04047cc1",
    "signature": "0x27079254757dd5eecd7344f8bb457852bcf3aa451232995f78fe143e993354a0256bacd1df6be354ab99ff3738685f919701bfa0cdad6facfdc52b210ff5f8cc1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}